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Finding the Fourth Proportional to 222,490.10, 334,682.22 and 201,681.08

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Solution

The fourth proportional to 222,490.10, 334,682.22 and 201,681.08 is: 303,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,490.10 : 334,682.22 = 201,681.08 : x
  2. Step 2: Convert to fraction form
    222,490.10/334,682.22 = 201,681.08/x
  3. Step 3: Cross multiply
    222,490.10x = 334,682.22 × 201,681.08
  4. Step 4: Simplify right side
    222,490.10x = 67,499,071,924.35
  5. Step 5: Solve for x
    x = 67,499,071,924.35/222,490.10
  6. Step 6: Final answer
    x = 303,380.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.